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A180352 as a simple table

n a(n)
1 127
2 51
3 21
4 9
5 4
6 2
7 1
8 113634
9 41835
10 15511
11 5798
12 2188
13 835
14 323
15 142547559
16 50852019
17 18199284
18 6536382
19 2356779
20 853467
21 310572
22 208023278209
23 73007772802
24 25669818476
25 9043402501
26 3192727797
27 1129760415
28 400763223

[127,51,21,9,4,2,1,113634,41835,15511,5798,2188,
 835,323,142547559,50852019,18199284,6536382,
 2356779,853467,310572,208023278209,73007772802,
 25669818476,9043402501,3192727797,1129760415,
 400763223]

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Last modified November 25 15:28 EST 2014. Contains 249997 sequences.